CN102694256B - A kind of fiberglass radome - Google Patents
A kind of fiberglass radome Download PDFInfo
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- CN102694256B CN102694256B CN201210128186.XA CN201210128186A CN102694256B CN 102694256 B CN102694256 B CN 102694256B CN 201210128186 A CN201210128186 A CN 201210128186A CN 102694256 B CN102694256 B CN 102694256B
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Abstract
The present invention discloses a kind of fiberglass radome, and it comprises the cuboid body be made up of glass-reinforced plastic material, and multiple material and reinforcement structure for support described cuboid body identical with cuboid bulk material.The glass-reinforced plastic material that the present invention makes by adopting special material and technique, and utilize this glass-reinforced plastic material to make the strutting piece of radome body and all kinds of special shape, under the prerequisite ensureing electric property, strengthen the mechanical performance of radome and make radome thickness thinner.
Description
Technical field
The present invention relates to radome technical field, particularly relate to a kind of fiberglass radome.
Background technology
Generally, antenna system all can be provided with radome.The object of radome protects antenna system from the impact of wind and rain, ice and snow, sand and dust and solar radiation etc., makes antenna system service behaviour more stable, reliable.Alleviate the wearing and tearing of antenna system, corrosion and aging simultaneously, increase the service life.Therefore require that radome has excellent mechanical performance and has again good electric property simultaneously, such as good wave transmission rate, standing-wave ratio, front and back ratio etc.
Fiberglass be a kind of with glass fibre and goods thereof for reinforcing material, take synthetic resin as a kind of composite material of basis material.Single glass fiber strength is high, but owing to being loose condition (of surface) between fiber, therefore can only bear pulling force, can not bear bending, shear and compression also not easily make fixing geometry.Utilize synthetic resin by single glass fibre bonding after just can make the figurate hard goods of various tool, can bear tension stress, again can bear bending, compress and shear stress.
When using fiberglass to prepare radome as raw material, radome is be directly proportional to the thickness of fiberglass to electromagnetic loss, then need to reduce the thickness of fiberglass to reach good wave transmission effect, the thickness reducing fiberglass then has an impact to mechanical performance as far as possible.
Summary of the invention
Technical problem to be solved by this invention is, for the above-mentioned deficiency of prior art, proposing a kind of when reducing radome thickness, still keeping radome to have the fiberglass radome of good mechanical properties.
The technical scheme that the present invention solves the employing of its technical problem is, a kind of radome is proposed, it comprises the cuboid body be made up of glass-reinforced plastic material, and multiple material and reinforcement structure for support described cuboid body identical with cuboid bulk material.
Further, described reinforcement structure is square first strutting piece, and described first strutting piece is arranged in body base four corners respectively; Described first strutting piece thickness is roughly equal with described body thickness, is highly body height 1 to two/25th 1/10th; Two right-angle side length of described square first strutting piece are equal and its length is body width 1/1 to five/10th.
Further, described reinforcement structure is equilateral right-angled triangle second strutting piece, and described second strutting piece is arranged in body base four corners respectively; The described second strutting piece right-angle side length of side is 1/1 to five/10th of body width, is highly 1 to two/25th 1/10th of body height.
Further, described reinforcement structure is waling, and described body four side outer surfaces are provided with many described walings.
Further, described reinforcement structure is cross reinforcing, and described body four side outer surfaces are provided with many described cross reinforcings.
Further, described reinforcement structure is cross reinforcing rib, and described body four side outer surfaces are provided with multipair described cross reinforcing rib.
Further, described reinforcement structure is cirque structure part, and described cirque structure part is arranged at described body respectively on the inwall of head and the tail two ends; Described cirque structure part diameter is slightly larger than described body width.
Further, described glass-reinforced plastic material is obtained by following preparation method:
S1: thermoset synthetic resin solution and hollow glass micropearl are uniformly mixed and form required slurry, wherein hollow glass micropearl gross mass is 5% to 15% of stock quality;
S2: multi-disc glass-fiber-fabric is immersed respectively abundant dipping in slurry and obtain multi-disc prepreg;
S3: above-mentioned for multi-disc prepreg pressing is integrated.
Further, described thermoset synthetic resin comprises one or more of unsaturated polyester resin, epoxy resin or phenolic resins.
Further, in step S3, heating-up temperature is 50 to 80 DEG C.
The glass-reinforced plastic material that the present invention makes by adopting special material and technique, and utilize this glass-reinforced plastic material to make the strutting piece of radome body and all kinds of special shape, under the prerequisite ensureing electric property, strengthen the mechanical performance of radome and make radome thickness thinner.
Accompanying drawing explanation
Fig. 1 is the elevational schematic view of fiberglass radome first embodiment of the present invention;
Fig. 2 is the elevational schematic view of fiberglass radome second embodiment of the present invention;
Fig. 3 is the schematic side view of fiberglass radome of the present invention 3rd embodiment;
Fig. 4 is the schematic side view of fiberglass radome of the present invention 4th embodiment;
Fig. 5 is the schematic side view of fiberglass radome of the present invention 5th embodiment;
Fig. 6 is the perspective view of fiberglass radome of the present invention 6th embodiment;
Fig. 7 is the process chart of glass-reinforced plastic material preparation method.
Embodiment
Fiberglass radome of the present invention comprises the cuboid body 10 of hollow, and antenna system can be placed in this body 10.Body wall thickness is about 2-5 millimeter, and for strengthening the mechanical performance of body, the present invention also provides multiple reinforcement structure to improve the mechanical performance of body.
The first structure:
As shown in Figure 1, Fig. 1 is the upward view of radome first embodiment.By setting up first strutting piece 10 that be rectangular in shape consistent with body material in cuboid body base four corners.First strutting piece 10 thickness is roughly equal with cuboid body 1 thickness, is highly 1 to two/25th 1/10th of cuboid body 1 height.Two right-angle side length of the first strutting piece 10 are equal and its length is about 1/1 to five/10th of cuboid body 1 width.
The second structure:
As shown in Figure 2, Fig. 2 is the upward view of radome second embodiment.By setting up triangular in shape second strutting piece 20 consistent with body material in rectangular body base four corners.Second strutting piece 20 is in equilateral right-angled triangle, and its right-angle side length of side is about 1/1 to five/10th of cuboid body 1 width, is highly about 1 to two/25th 1/10th of cuboid body 1 height.
The third structure:
As shown in Figure 3, Fig. 3 is the end view of radome the 3rd embodiment.By setting up the waling 30 consistent with body material at cuboid body four side outer surfaces.
4th kind of structure:
As shown in Figure 4, Fig. 4 is the end view of radome the 4th embodiment.By setting up the cross reinforcing 40 consistent with body material at cuboid body four side outer surfaces.
5th kind of structure:
As shown in Figure 5, Fig. 5 is the end view of radome the 5th embodiment.By setting up the multipair cross reinforcing rib 50 consistent with body material at cuboid body four side outer surfaces.
6th kind of structure:
As shown in Figure 6, Fig. 6 is the perspective view of radome the 6th embodiment.By fixing the material cirque structure part 60 consistent with body material at rectangular body 1 respectively on the inwall at head and the tail two ends.This cirque structure part 60 diameter slightly larger than cuboid body width to support cuboid body.
Can ground be imagined, also can by being used for fixing rectangular shaped body by after above-mentioned first to the 6th kind of any combination of structure.The present invention by setting up one or more structures to strengthen the mechanical performance of body on radome body.Be different from conventional with steelframe, cement rack or yoke to strengthen radome bulk mechanical performance, all kinds of reinforcement material of the present invention is all consistent with radome material, is all make with specific glass steel material.Introduce recipe ingredient and the preparation method of inventive antenna cover body and all kinds of reinforcement glass-reinforced plastic material used below in detail.
Please refer to Fig. 7, Fig. 7 is the process chart of glass-reinforced plastic material preparation method of the present invention.The preparation method of glass-reinforced plastic material of the present invention comprises step:
Step S1: thermoset synthetic resin solution and hollow glass micropearl are uniformly mixed and form required slurry, wherein hollow glass micropearl gross mass is 5% to 15% of stock quality.
Thermoset synthetic resin solution can comprise in unsaturated polyester resin, epoxy resin and phenolic resins any one or multiple.And described thermoset synthetic resin solution can add other auxiliary material such as initator, promoter, fire retardant, solvent depending on concrete condition.In the present embodiment, described thermoset synthetic resin solution is that raw material is prepared with unsaturated polyester resin.
Glass microballoon is the hollow glass spheroid of a kind of size small (typical particle size range is 10-180 micron) and lightweight (bulk density is 0.1-0.28 gram every cubic centimetre), primarily of the composition such as silicon dioxide and alundum (Al2O3), there is the excellent properties such as low heat conduction, sound insulation, high dispersive, electrical insulating property and Heat stability is good.Glass microballoon is cellular after adding described thermoset synthetic resin solution, thus improve the porosity of described thermoset synthetic resin solution, its dielectric constant and loss angle tangent are reduced and makes the rigidity of the fiberglass finally prepared and hardness improve simultaneously.
The method being uniformly mixed described thermoset synthetic resin and described hollow glass micropearl can be churned mechanically mode, such as utilize the mixer not producing whirlpool, also the artificial mode stirred can be adopted, as long as make hollow glass micropearl and described thermoset synthetic resin mix.
Step S2: multi-disc glass-fiber-fabric is immersed respectively abundant dipping in slurry and obtain multi-disc prepreg.
Glass-fiber-fabric is mainly composited by glass fibre and short-term needle punched non-woven fabrics, and its pull resistance is strong, moistureproof and mildewproof, good decorating effect, rich texture, surface are not gathered electrostatic, do not produce incrustation dead angle and be easy to cleaning.
Step S3: above-mentioned for multi-disc prepreg is pressed at high temperature under high pressure and is integrated, thus obtain glass-reinforced plastic material.
In the present invention, multi-disc prepreg is placed on the work top of hot press, mix up its heating-up temperature, heating time and institute's applied pressure as required, can to their heating and pressurization, make the thermoset synthetic resin generation chemical reaction on glass-fiber-fabric and crosslinking curing, thus the dense glass-reinforced plastic material of obtained integration.Generally, the heating-up temperature of hot press should reach the curing temperature of the raw material for preparing thermoset synthetic resin solution, and for the unsaturated polyester resin in the present embodiment, heating-up temperature should be no more than 120 DEG C, and general control is between 50-80 DEG C.Heating time is relevant with heating-up temperature, and institute's applied pressure should be suitable, and pressure is too small, and meeting leaving gap in described glass-reinforced plastic material, causes electric property to be deteriorated; Pressure is excessive, can form internal stress in described glass-reinforced plastic material, causes its size and shape instability.
Obtain after glass-reinforced plastic material, be processed as the radome body of given shape and structure and all kinds of reinforcement and can obtain mechanical performance of the present invention and all good fiberglass radome of electric property.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (7)
1. a fiberglass radome, is characterized in that: comprise the cuboid body be made up of glass-reinforced plastic material, and multiple material and reinforcement structure for support described cuboid body identical with cuboid bulk material; Described cuboid body has can the hollow structure of accommodating antenna system, and the wall thickness range of described cuboid body is 2-5 millimeter;
Described reinforcement structure is made up of square first strutting piece be arranged at respectively in described cuboid body base four corners or equilateral right-angled triangle second strutting piece, many walings being arranged at described cuboid body four side outer surfaces or many cross reinforcings or multipair cross reinforcing rib and at least one be arranged at respectively in the cirque structure part of described cuboid body on the inwall of head and the tail two ends.
2. fiberglass radome as claimed in claim 1, it is characterized in that: described first strutting piece thickness is equal with described cuboid body thickness, is highly described cuboid body height 1 to two/25th 1/10th; Two right-angle side length of described square first strutting piece are equal and its length is body width 1/1 to five/10th.
3. fiberglass radome as claimed in claim 1, it is characterized in that: the described second strutting piece right-angle side length of side is 1/1 to five/10th of described cuboid body width, is highly 1 to two/25th 1/10th of described cuboid body height.
4. fiberglass radome as claimed in claim 1, is characterized in that: described cirque structure part diameter is greater than described cuboid body width.
5. the fiberglass radome as described in any one of claim 1-4, is characterized in that: described glass-reinforced plastic material is obtained by following preparation method:
S1: thermoset synthetic resin solution and hollow glass micropearl are uniformly mixed and form required slurry, wherein hollow glass micropearl gross mass is 5% to 15% of stock quality;
S2: multi-disc glass-fiber-fabric is immersed respectively abundant dipping in slurry and obtain multi-disc prepreg;
S3: above-mentioned for multi-disc prepreg pressing is integrated.
6. fiberglass radome as claimed in claim 5, is characterized in that: described thermoset synthetic resin comprises one or more of unsaturated polyester resin, epoxy resin or phenolic resins.
7. fiberglass radome as claimed in claim 5, is characterized in that: in step S3, heating-up temperature is 50 to 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128186.XA CN102694256B (en) | 2012-04-27 | 2012-04-27 | A kind of fiberglass radome |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128186.XA CN102694256B (en) | 2012-04-27 | 2012-04-27 | A kind of fiberglass radome |
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| CN102694256A CN102694256A (en) | 2012-09-26 |
| CN102694256B true CN102694256B (en) | 2015-08-26 |
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| CN201210128186.XA Active CN102694256B (en) | 2012-04-27 | 2012-04-27 | A kind of fiberglass radome |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647144A (en) * | 2013-11-29 | 2014-03-19 | 北方通用电子集团有限公司 | A wideband cellular interlayer fiber reinforced plastic antenna cover |
| CN106785416B (en) * | 2016-11-23 | 2019-11-15 | 中材科技股份有限公司 | A kind of Combined hollow sandwich antenna beautifying cover |
| CN109193158B (en) * | 2018-07-30 | 2021-07-20 | 安徽四创电子股份有限公司 | Continuous wave radar antenna isolating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393960A (en) * | 2001-06-28 | 2003-01-29 | 上海新联纬讯科技发展有限公司 | Microstrip antenna |
| CN101609928A (en) * | 2009-07-16 | 2009-12-23 | 南京华格电汽塑业有限公司 | A kind of fiberglass radome of using the glass microballoon modification and preparation method thereof |
| CN201904437U (en) * | 2010-08-05 | 2011-07-20 | 赵欣荣 | Strengthening, fixing and connecting structure of radome |
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2012
- 2012-04-27 CN CN201210128186.XA patent/CN102694256B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393960A (en) * | 2001-06-28 | 2003-01-29 | 上海新联纬讯科技发展有限公司 | Microstrip antenna |
| CN101609928A (en) * | 2009-07-16 | 2009-12-23 | 南京华格电汽塑业有限公司 | A kind of fiberglass radome of using the glass microballoon modification and preparation method thereof |
| CN201904437U (en) * | 2010-08-05 | 2011-07-20 | 赵欣荣 | Strengthening, fixing and connecting structure of radome |
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| CN102694256A (en) | 2012-09-26 |
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Effective date of registration: 20210512 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |